@charset "UTF-8";

body { margin: 0; background: #f9f9f9; }
.outer-div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    height: 90vh;
    padding-left: 40px;
    gap: 18px;
}
.simple-btn {
    display: block;
    width: 180px;
    padding: 14px 0;
    background: #fff;
    color: #222;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1em;
    text-align: center;
    text-decoration: none;
    transition: background 0.2s, border 0.2s;
}
.simple-btn:hover {
    background: #f0f0f0;
    border-color: #bbb;
}